Home / 31,104.45-42,924.14-16,957.30

Finding the Fourth Proportional to 31,104.45, 42,924.14 and 16,957.30

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Solution

The fourth proportional to 31,104.45, 42,924.14 and 16,957.30 is: 23,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.45 : 42,924.14 = 16,957.30 : x
  2. Step 2: Convert to fraction form
    31,104.45/42,924.14 = 16,957.30/x
  3. Step 3: Cross multiply
    31,104.45x = 42,924.14 × 16,957.30
  4. Step 4: Simplify right side
    31,104.45x = 727,877,519.22
  5. Step 5: Solve for x
    x = 727,877,519.22/31,104.45
  6. Step 6: Final answer
    x = 23,401.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.